Home / 9,617.20-14,425.80-7,997.20

Finding the Fourth Proportional to 9,617.20, 14,425.80 and 7,997.20

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Solution

The fourth proportional to 9,617.20, 14,425.80 and 7,997.20 is: 11,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.20 : 14,425.80 = 7,997.20 : x
  2. Step 2: Convert to fraction form
    9,617.20/14,425.80 = 7,997.20/x
  3. Step 3: Cross multiply
    9,617.20x = 14,425.80 × 7,997.20
  4. Step 4: Simplify right side
    9,617.20x = 115,366,007.76
  5. Step 5: Solve for x
    x = 115,366,007.76/9,617.20
  6. Step 6: Final answer
    x = 11,995.80

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.